%0 Journal Article %A A. M. Stepin %T Approximability of groups and group actions %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1983 %P 131-132 %V 38 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1983_38_6_a14/ %G en %F RM_1983_38_6_a14